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An incidental-finding cohort from a Spanish university hospital (2023) What was found: among 4,800 people who had a B12 measured, about 7 in 100 had a level above 1000 pg/mL
(Oct 2 2023) 6(10):e2336997e97
When B12 levels are low, the body may not produce enough healthy red blood cells to carry oxygen throughout the body
Simple timing framework Baseline Discuss baseline labs before starting, especially if body weight, blood sugar, lipids, liver health, or kidney health are part of the research context
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